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[Gary] profiling for both C and Ruby

This commit is contained in:
Gary Murakami 2012-04-16 17:28:48 -04:00
parent 52cbaa689f
commit ba0de1bc26
5 changed files with 429 additions and 200 deletions
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1
Gemfile
View File

@ -16,6 +16,7 @@ group :development, :test do
gem "test-unit"
gem "ci_reporter"
gem "ruby-prof" unless RUBY_PLATFORM =~ /java/
gem "perftools.rb" unless RUBY_PLATFORM =~ /java/
# Java
platforms :jruby do

78
bench/exp_series.html
View File

@ -27,16 +27,22 @@
<div id="placeholder"></div>
<script type="text/javascript">
function genOpXY(a, xMax, base, gen, op, xKey, yKey) {
var genOpA = $.grep(a, function(e, i){return (e.exp2 <= xMax && e.base == base && e.generator == gen && e.operation == op);});
function genOpXY(a, xMax, plotSpec, xKey, yKey) {
var genOpA = $.grep(a, function(e, i){
if (e.exp2 > xMax) return false;
for (var key in plotSpec) {
if (e[key] != plotSpec[key]) return false;
}
return true;
});
return $.map(genOpA, function(e, i){return [[e[xKey], e[yKey]]];});
}
function flotSeries(expSeries, xMax, a) {
return $.map(a, function(e, i){
var base = e[0]; gen = e[1]; var op = e[2];
function flotSeries(expSeries, xMax, plotSpecs) {
return $.map(plotSpecs, function(plotSpec, i){
var base = plotSpec.base; var gen = plotSpec.generator; var op = plotSpec.operation;
return {
label: gen + '-' + base,
data: genOpXY(expSeries, xMax, base, gen, op, 'exp2', 'ops'),
data: genOpXY(expSeries, xMax, plotSpec, 'exp2', 'ops'),
lines: { show: true },
points: { show: true }
};
@ -66,50 +72,56 @@ $(function () {
// comment pending
var graph = [
[ 'value_string_size insert', 14, [
[2, 'value_string_size', 'insert']
[ 'value_string_size insert C', 14,
[
{ base:2, generator:'value_string_size', operation:'insert', mongo_driver_mode: 'c' }
]
],
[ 'key_string_size insert', 14, [
[2, 'key_string_size', 'insert']
[ 'key_string_size insert C', 14,
[
{ base:2, generator:'key_string_size', operation:'insert', mongo_driver_mode: 'c' }
]
],
[ 'array_size_fixnum insert', 12, [
[2, 'array_size_fixnum', 'insert']
[ 'array_size_fixnum insert C', 12,
[
{ base:2, generator:'array_size_fixnum', operation:'insert', mongo_driver_mode: 'c' }
]
],
[ 'hash_size_fixnum insert', 12, [
[2, 'hash_size_fixnum', 'insert']
[ 'hash_size_fixnum insert C', 12,
[
{ base:2, generator:'hash_size_fixnum', operation:'insert', mongo_driver_mode: 'c' }
]
],
[ 'array_nest_fixnum insert', 12, [
[2, 'array_nest_fixnum', 'insert'],
[4, 'array_nest_fixnum', 'insert'],
[8, 'array_nest_fixnum', 'insert'],
[16, 'array_nest_fixnum', 'insert'],
[32, 'array_nest_fixnum', 'insert']
[ 'array_nest_fixnum insert C', 12,
[
{ base:2, generator:'array_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' },
{ base:4, generator:'array_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' },
{ base:8, generator:'array_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' },
{ base:16, generator:'array_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' },
{ base:32, generator:'array_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' }
]
],
[ 'hash_nest_fixnum insert', 12, [
[2, 'hash_nest_fixnum', 'insert'],
[4, 'hash_nest_fixnum', 'insert'],
[8, 'hash_nest_fixnum', 'insert'],
[16, 'hash_nest_fixnum', 'insert'],
[32, 'hash_nest_fixnum', 'insert']
[ 'hash_nest_fixnum insert C', 12,
[
{ base:2, generator:'hash_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' },
{ base:4, generator:'hash_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' },
{ base:8, generator:'hash_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' },
{ base:16, generator:'hash_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' },
{ base:32, generator:'hash_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' }
]
],
[ 'compare array_size_fixnum hash_size_fixnum insert', 12, [
[2, 'array_size_fixnum', 'insert'],
[2, 'hash_size_fixnum', 'insert']
[ 'compare array_size_fixnum hash_size_fixnum insert C', 12,
[
{ base:2, generator:'array_size_fixnum', operation:'insert', mongo_driver_mode: 'c' },
{ base:2, generator:'hash_size_fixnum', operation:'insert', mongo_driver_mode: 'c' }
]
],
]
];
$.each(graph, function(i, e){
var title = e[0];
var xMax = e[1];
var baseSeriesGenOp = e[2];
var series = flotSeries(expSeries, xMax, baseSeriesGenOp);
var plotSpecs = e[2];
var series = flotSeries(expSeries, xMax, plotSpecs);
doPlot(title, series);
});

409
bench/exp_series.js
View File

@ -1,137 +1,274 @@
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{"base":2,"power":15,"size":32768,"exp2":15,"generator":"hash_nest_fixnum","operation":"insert","iterations":5,"utime":8.57,"etime":1.73,"rtime":8.65,"ops":0.6,"usec":1714000.0,"mongo_driver_mode":"ruby","hostname":"osprey","osname":"Darwin"},
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{"base":8,"power":4,"size":4096,"exp2":12,"generator":"hash_nest_fixnum","operation":"insert","iterations":133,"utime":10.16,"etime":0.23,"rtime":10.2,"ops":13.1,"usec":76391.0,"mongo_driver_mode":"ruby","hostname":"osprey","osname":"Darwin"},
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{"base":32,"power":2,"size":1024,"exp2":10,"generator":"hash_nest_fixnum","operation":"insert","iterations":666,"utime":10.06,"etime":0.23,"rtime":10.1,"ops":66.2,"usec":15105.1,"mongo_driver_mode":"ruby","hostname":"osprey","osname":"Darwin"},
{"base":32,"power":3,"size":32768,"exp2":15,"generator":"hash_nest_fixnum","operation":"insert","iterations":19,"utime":9.79,"etime":0.52,"rtime":9.86,"ops":1.9,"usec":515263.2,"mongo_driver_mode":"ruby","hostname":"osprey","osname":"Darwin"},
];

109
bench/exp_series.rb
View File

@ -1,7 +1,24 @@
#!/usr/bin/env ruby
$LOAD_PATH[0, 0] = File.join(File.dirname(__FILE__), '..', 'lib')
#
# review load path
$LOAD_PATH.unshift(File.expand_path("../../lib", __FILE__))
def set_mongo_driver_mode(mode)
case mode
when :c
ENV.delete('TEST_MODE')
ENV['C_EXT'] = 'TRUE'
when :ruby
ENV['TEST_MODE'] = 'TRUE'
ENV.delete('C_EXT')
else
raise 'mode must be :c or :ruby'
end
ENV['MONGO_DRIVER_MODE'] = mode.to_s
end
$mode = ARGV[0].to_sym if ARGV[0]
set_mongo_driver_mode($mode || :c)
ENV['HOSTNAME'] = `uname -n`[/([^.]*)/,1]
ENV['OSNAME'] = `uname -s`.strip
# Exploratory/Experimental/Exponential tests for performance tuning
@ -13,8 +30,31 @@ require 'benchmark'
$calibration_runtime = 0.1
$target_runtime = 5.0
$db_name = "benchmark"
$collection_name = "exp_series"
$db_name = 'benchmark'
$collection_name = 'exp_series'
class Hash
def store_embedded(key, value)
case key
when /([^.]*)\.(.*)/
store($1, Hash.new) unless fetch($1, nil)
self[$1].store_embedded($2, value)
else
store(key, value)
end
end
end
def sys_info
h = Hash.new
if FileTest.executable?('/usr/sbin/sysctl')
text = `/usr/sbin/sysctl -a kern.ostype kern.version kern.hostname hw.machine hw.model hw.cputype hw.busfrequency hw.cpufrequency`
values = text.split(/\n/).collect{|line| /([^:]*) *[:=] *(.*)/.match(line)[1..2]}
h = Hash.new
values.each{|key, value| h.store_embedded(key, value) }
end
return h
end
class TestExpPerformance < Test::Unit::TestCase
@ -67,22 +107,24 @@ class TestExpPerformance < Test::Unit::TestCase
size, doc = generator.call(base, power)
iterations, utime, rtime, etime = valuate(db, coll, setup, teardown) { operation.call(coll, doc) }
result = {
"base" => base,
"power" => power,
"size" => size,
"exp2" => Math.log2(size).to_i,
"generator" => generator.name.to_s,
"operation" => operation.name.to_s,
"iterations" => iterations,
"utime" => utime.round(2),
"etime" => etime.round(2),
"rtime" => rtime.round(2),
"ops" => (iterations.to_f / utime.to_f).round(1),
"usec" => (1000000.0 * utime.to_f / iterations.to_f).round(1),
# "git" => git, # thinking
# "datetime" +> Time.now, # thinking
# "hostname" => hostname, # thinking
# "nbench-int" => nbench.int, # thinking
'base' => base,
'power' => power,
'size' => size,
'exp2' => Math.log2(size).to_i,
'generator' => generator.name.to_s,
'operation' => operation.name.to_s,
'iterations' => iterations,
'utime' => utime.round(2),
'etime' => etime.round(2),
'rtime' => rtime.round(2),
'ops' => (iterations.to_f / utime.to_f).round(1),
'usec' => (1000000.0 * utime.to_f / iterations.to_f).round(1),
'mongo_driver_mode' => ENV['MONGO_DRIVER_MODE'],
'hostname' => ENV['HOSTNAME'],
'osname' => ENV['OSNAME'],
# 'git' => git, # thinking
# 'datetime' +> Time.now, # thinking
# 'nbench-int' => nbench.int, # thinking
}
STDERR.puts result.inspect
STDERR.flush
@ -92,19 +134,19 @@ class TestExpPerformance < Test::Unit::TestCase
def value_string_size(base, power)
n = base ** power
return [n, {n.to_s => ("*" * n)}]
return [n, {n.to_s => ('*' * n)}]
end
def key_string_size(base, power)
n = base ** power
return [n, {("*" * n) => n}]
return [n, {('*' * n) => n}]
end
def hash_size_fixnum(base, power)
n = base ** power
h = Hash.new
(0...n).each { |i| h[i.to_s] = i }
return [n, h]
return [n, {n.to_s => h}] # embedded like array_size_fixnum
end
def array_size_fixnum(base, power)
@ -166,10 +208,14 @@ class TestExpPerformance < Test::Unit::TestCase
end
# Performance Tuning Engineering
## Completed
### How to measure and compare pure Ruby versus C extension performance
## Current Work Items
### Profiling of C extension
## Overall Strategy
### Prioritize/Review Ruby 1.9.3, Ruby 1.8.7, JRuby 1.6.7
### Prioritize/Review Ruby 1.9.3, JRuby 1.6.7, Ruby 1.8.7
### Run spectrum of exploratory performance tests
### Graph results, probably with gnuplot, with HTML wrapper
### Graph results with flot in HTML wrapper - http://code.google.com/p/flot/
### Select test for profiling
### Find where time is being spent
### Construct specific performance test
@ -185,9 +231,14 @@ class TestExpPerformance < Test::Unit::TestCase
### Knowledge of Ruby driver and techniques
### Perhaps architecture and design improvements
### Lessons transferable to other drivers
## HW Info
### Linux - /proc/cpuinfo
### Mac OS X - sysctl -a hw
def test_zzz_exp_blanket
puts
puts sys_info
conn = Mongo::Connection.new
conn.drop_database($db_name)
db = conn.db($db_name)
@ -222,13 +273,13 @@ class TestExpPerformance < Test::Unit::TestCase
]
results = []
tests.each do |base, max_power, generator, setup, operation, teardown|
# consider moving "method" as permitted by scope
# consider moving 'method' as permitted by scope
results += power_test(base, max_power, db, coll, method(generator), method(setup), method(operation), method(teardown))
end
# consider inserting the results into a database collection
# Test::Unit::TestCase pollutes STDOUT, so write to a file
File.open("exp_series.js", "w"){|f|
f.puts("expSeries = #{results.to_json.gsub(/(\[|},)/, "\\1\n")};")
File.open("exp_series-#{Time.now.strftime('%Y%m%d-%H%M')}.js", 'w'){|f|
f.puts("#{results.to_json.gsub(/\[/, "").gsub(/(}[\],])/, "},\n")}")
}
conn.drop_database($db_name)

32
bench/profile_array.rb
View File

@ -1,10 +1,28 @@
#!/usr/bin/env ruby
$LOAD_PATH.unshift(File.expand_path("../../lib", __FILE__))
def set_mongo_driver_mode(mode)
case mode
when :c
ENV.delete('TEST_MODE')
ENV['C_EXT'] = 'TRUE'
when :ruby
ENV['TEST_MODE'] = 'TRUE'
ENV.delete('C_EXT')
else
raise 'mode must be :c or :ruby'
end
ENV['MONGO_DRIVER_MODE'] = mode.to_s
end
$mode = ARGV[0].to_sym if ARGV[0]
set_mongo_driver_mode($mode || :c)
require 'rubygems'
require 'mongo'
require 'benchmark'
require 'ruby-prof'
require 'perftools'
def array_size_fixnum(base, power)
n = base ** power
@ -21,7 +39,7 @@ def insert(coll, h)
coll.insert(h) # note that insert stores :_id in h and subsequent inserts are updates
end
def profile(iterations)
def ruby_prof(iterations)
RubyProf.start
puts Benchmark.measure {
iterations.times { yield }
@ -37,6 +55,15 @@ def profile(iterations)
printer.print(STDOUT, {})
end
def perftools(iterations)
profile_file_name = "/tmp/profile_array.perftools"
PerfTools::CpuProfiler.start(profile_file_name) do
iterations.times { yield }
end
cmd = "pprof.rb --ignore=IO --text \"#{profile_file_name}\""
system(cmd)
end
conn = Mongo::Connection.new
db = conn['benchmark']
@ -46,7 +73,8 @@ coll.remove
puts "coll.count: #{coll.count}"
n, doc = array_size_fixnum(2, 6)
profile(1000) { insert(coll, doc) }
ruby_prof(1000) { insert(coll, doc) }
#perftools(10000) { insert(coll, doc) }
puts "coll.count: #{coll.count}"
coll.remove